<template>
  <div class="login">
    <div id="BeiJing"></div>
    <div class="login_zuo">
      <div class="login_zuo_img">
        <img src="../assets/images/7.jpg" alt="Your Image" class="custom-image" />
      </div>
    </div>
    <el-form
      ref="loginRef"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
    >
      <h3 class="title">博鳌项目管理系统</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          link
          type="primary"
          size="large"
          auto-complete="off"
          placeholder="账号"
          class="input-field"
        >
          <template #prefix>
            <svg-icon icon-class="user" class="input-icon" />
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          :type="passwordType"
          size="large"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter="handleLogin"
          class="input-field"
        >
          <template #prefix>
            <svg-icon icon-class="password" class="input-icon" />
          </template>
          <template #suffix>
            <svg-icon
              :icon-class="passwordType === 'password'? 'eye' : 'eye-off'"
              class="input-icon password-eye-icon"
              @click="togglePasswordVisibility"
            />
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <div class="captcha-container">
          <el-input
            v-model="loginForm.code"
            size="large"
            auto-complete="off"
            placeholder="验证码"
            class="input-field"
            @keyup.enter="handleLogin"
          >
            <template #prefix>
              <svg-icon icon-class="validCode" class="input-icon" />
            </template>
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img" />
          </div>
        </div>
      </el-form-item>
      <el-checkbox
        v-model="loginForm.rememberMe"
        class="remember-me-checkbox"
        >记住密码</el-checkbox
      >
      <el-form-item style="width: 100%">
        <el-button
          :loading="loading"
          size="large"
          type="primary"
          style="width: 100%"
          @click.prevent="handleLogin"
          class="login-button"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <!-- <div class="el-login-footer">
      <span>Copyright © 2018-2024 ruoyi.vip All Rights Reserved.</span>
    </div> -->
  </div>
</template>

<script setup>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import useUserStore from "@/store/modules/user";
import { ref, watch } from "vue";
const userStore = useUserStore();
const route = useRoute();
const router = useRouter();
const { proxy } = getCurrentInstance();
const loginForm = ref({
  username: "",
  password: "",
  rememberMe: false,
  code: "",
  uuid: "",
});
const passwordType = ref("password"); // 新增属性控制密码显示类型
const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }],
};
const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);
watch(
  route,
  (newRoute) => {
    redirect.value = newRoute.query && newRoute.query.redirect;
  },
  { immediate: true }
);
function handleLogin() {
  proxy.$refs.loginRef.validate((valid) => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, { expires: 30 });
        Cookies.set("password", encrypt(loginForm.value.password), {
          expires: 30,
        });
        Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      // 调用action的登录方法
      userStore
       .login(loginForm.value)
       .then(() => {
          const query = route.query;
          const otherQueryParams = Object.keys(query).reduce((acc, cur) => {
            if (cur!== "redirect") {
              acc[cur] = query[cur];
            }
            return acc;
          }, {});
          router.push({ path: redirect.value || "/", query: otherQueryParams });
        })
       .catch(() => {
          loading.value = false;
          // 重新获取验证码
          if (captchaEnabled.value) {
            getCode();
          }
        });
    }
  });
}
function getCode() {
  getCodeImg().then((res) => {
    captchaEnabled.value =
      res.captchaEnabled === undefined? true : res.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}
function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined? loginForm.value.username : username,
    password:
      password === undefined? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined? false : Boolean(rememberMe),
  };
}
function togglePasswordVisibility() {
  passwordType.value = passwordType.value === "password"? "text" : "password";
}
getCode();
getCookie();
</script>

<style lang='scss' scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #f0f2f5;
  background-image: url("../assets/images/4.jpg");
  background-size: cover;
  background-position: center;
}

.login_zuo {
  position: relative;
  width: 450px;
  height: 468px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  border-radius: 10px 0px 0px 10px;
  overflow: hidden;
  background-color: #fff;
}

.custom-image {
  width: 100%;
  height: 100%;
  object-fit: contain; /* 修改为 contain，让图片完整显示在容器内 */
  transform: scale(0.8); /* 缩小图片到 80% 大小 */
  transition: transform 0.3s ease;
  &:hover {
    transform: scale(0.85); /* 鼠标悬停时，进一步放大到 85% 大小 */
  }
}

.login-form {
  background-color: white;
  width: 400px;
  padding: 30px;
  border-radius: 0px 10px 10px 0px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  animation: fadeInUp 0.5s ease;

 .title {
    margin: 0 0 25px 0;
    text-align: center;
    color: #333;
    font-size: 24px;
    font-weight: 600;
  }

 .input-field {
    margin-bottom: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    transition: border-color 0.3s ease;
    &:focus-within {
      border-color: #007bff;
    }

    input {
      height: 48px;
      font-size: 16px;
      padding: 0 15px;
      width: 100%;
      border: none;
      outline: none;
    }
  }

 .input-icon {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    color: #999;
  }

 .password-eye-icon {
    cursor: pointer; /* 添加鼠标样式为小手 */
  }

 .captcha-container {
    display: flex;
    align-items: center;
  }

 .login-code {
    width: 120px;
    margin-left: 10px;
    img {
      width: 100%;
      height: 48px;
      object-fit: cover;
      border-radius: 5px;
      cursor: pointer;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
  }

 .remember-me-checkbox {
    margin-bottom: 20px;
    font-size: 16px;
    color: #333;
    display: flex;
    align-items: center;
  }

 .login-button {
    height: 48px;
    font-size: 18px;
    border-radius: 5px;
    background-color: #007bff;
    color: white;
    transition: background-color 0.3s ease;
    &:hover {
      background-color: #0056b3;
    }
  }

 .link-type {
    color: #007bff;
    text-decoration: none;
    font-size: 16px;
    margin-top: 10px;
    display: inline-block;
    transition: color 0.3s ease;
    &:hover {
      color: #0056b3;
    }
  }
}

.el-login-footer {
  height: 50px;
  line-height: 50px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
  background-color: #2c3e50;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
</style>